The EcoFlow RIVER Pro is designed for users seeking a power solution with a longer runtime. Add a RIVER Pro Extra Battery to double the capacity from 720Wh to 1440Wh. This is ideal for situations like travelling, camping, or group outdoor activities where you need more power for more devices. Rigorously tested by our expertly trained engineers, used EcoFlow units offer you a like-new portable power station experience with significant savings.